Analysis of “Downton Abbey” anachronisms inspires a joke on Saturday Night Live Weekend Update (at 1:25 in the video). (Feb. 18, 2012)
Amy Poehler: Some linguistics experts have noted that the hit British series “Downton Abbey”, which is set in the 1920s, has incorrectly used phrases that would not have been popular until much later, including: “Step on it,” “Push comes to shove,” and the most glaring of all: “You should totally tweet that.”
(Video, transcript, related Word Routes column, Boston Globe column, NPR Morning Edition interview)